Cita APA (7th ed.)

Johnston, R. A. (2005). A companion to Beowulf. Greenwood Press.

Cita Chicago (17th ed.)

Johnston, Ruth A. A Companion to Beowulf. Westport, Conn.: Greenwood Press, 2005.

Cita MLA (9th ed.)

Johnston, Ruth A. A Companion to Beowulf. Greenwood Press, 2005.